4 mashed and cauliflower gratin Recipes

heads cauliflower, broken into florets, shredded parmesan cheese, shredded colby-monterey jack cheese, butter, cubed, garlic salt, montreal steak seasoning, italian-style panko (japanese ) bread crumbs, butter, melted

russet (baking) potatoes, peeled and cut into 1-inch pieces, salt, whole milk, divided, unsalted butter, divided, coarsely grated italian fontina or gruyere (about 1 cup packed), freshly ground black pepper, head cauliflower, cut into 1 1/2-inch pieces, including stems and core, garlic cloves, peeled and smashed, grated parmigiano-reggiano, divided